Wrapper of an AVFormatContext. More...

#include <FormatContext.hpp>

Public Member Functions
	FormatContext (const std::string &filename, int req_flags=0, AVDictionary **options=NULL)
	Allocate an AVFormatContext by opening an input file. More...

	FormatContext (int req_flags=0)
	Allocate an AVFormatContext with default values. More...

	~FormatContext ()

void	findStreamInfo (AVDictionary **options=NULL)
	Read packets of a media file to get stream information. More...

void	openRessource (const std::string &url, int flags)
	Create and initialize a AVIOContext for accessing the resource indicated by url. More...

void	closeRessource ()
	Close the resource accessed by the AVIOContext and free it. More...

void	writeHeader (AVDictionary **options=NULL)
	Write the stream header to an output media file. More...

void	writeFrame (AVPacket &packet, bool interleaved=true)
	Write a packet to an output media file. More...

void	writeTrailer ()
	Write the stream trailer to an output media file. More...

void	addMetaData (const std::string &key, const std::string &value)

AVStream &	addAVStream (const AVCodec &avCodec)

bool	seek (const uint64_t position, const int flag)
	Seek at a specific position. More...

size_t	getNbStreams () const

size_t	getDuration () const
	Get duration of the program, in seconds. More...

size_t	getStartTime () const

OptionArray	getOptions ()
	Get options as array. More...

OptionMap &	getOptionsMap ()
	Get options as map. More...

Option &	getOption (const std::string &optionName)

void	setOutputFormat (const std::string &filename, const std::string &shortName="", const std::string &mimeType="")

void	setFilename (const std::string &filename)

AVFormatContext &	getAVFormatContext () const

AVOutputFormat &	getAVOutputFormat () const

AVInputFormat &	getAVInputFormat () const

AVIOContext &	getAVIOContext () const

AVDictionary &	getAVMetaData () const

AVStream &	getAVStream (size_t index) const

Private Member Functions
	FormatContext (const FormatContext &formatContext)

FormatContext &	operator= (const FormatContext &formatContext)

Private Attributes
AVFormatContext *	_avFormatContext
	Has ownership. More...

const int	_flags
	Flags with which the options are loaded (see AV_OPT_FLAG_xxx) More...

OptionMap	_options

bool	_isOpen
	Is the AVFormatContext open (in constructor with a filename) More...

Detailed Description

Wrapper of an AVFormatContext.

Definition at line 17 of file FormatContext.hpp.

Constructor & Destructor Documentation

avtranscoder::FormatContext::FormatContext ( const FormatContext & formatContext )

private

avtranscoder::FormatContext::FormatContext	(	const std::string &	filename,
		int	req_flags = `0`,
		AVDictionary **	options = `NULL`
	)

Allocate an AVFormatContext by opening an input file.

Definition at line 9 of file FormatContext.cpp.

References _avFormatContext, _isOpen, _options, avtranscoder::getDescriptionFromErrorCode(), and avtranscoder::loadOptions().

avtranscoder::FormatContext::FormatContext ( int req_flags = 0 )

Allocate an AVFormatContext with default values.

Definition at line 32 of file FormatContext.cpp.

References _avFormatContext, _options, and avtranscoder::loadOptions().

avtranscoder::FormatContext::~FormatContext ( )

Definition at line 42 of file FormatContext.cpp.

References _avFormatContext, and _isOpen.

Member Function Documentation

AVStream & avtranscoder::FormatContext::addAVStream ( const AVCodec & avCodec )

Definition at line 134 of file FormatContext.cpp.

References _avFormatContext.

Referenced by avtranscoder::OutputFile::addAudioStream(), avtranscoder::OutputFile::addDataStream(), and avtranscoder::OutputFile::addVideoStream().

void avtranscoder::FormatContext::addMetaData	(	const std::string &	key,
		const std::string &	value
	)

Definition at line 125 of file FormatContext.cpp.

References _avFormatContext, avtranscoder::getDescriptionFromErrorCode(), and LOG_ERROR.

Referenced by avtranscoder::OutputFile::addMetadata().

void avtranscoder::FormatContext::closeRessource ( )

Close the resource accessed by the AVIOContext and free it.

Note: Should be called after openRessource

Definition at line 75 of file FormatContext.cpp.

References _avFormatContext, and avtranscoder::getDescriptionFromErrorCode().

Referenced by avtranscoder::OutputFile::endWrap().

void avtranscoder::FormatContext::findStreamInfo ( AVDictionary ** options = NULL )

Read packets of a media file to get stream information.

Definition at line 54 of file FormatContext.cpp.

References _avFormatContext, and avtranscoder::getDescriptionFromErrorCode().

Referenced by avtranscoder::InputFile::InputFile().

AVFormatContext& avtranscoder::FormatContext::getAVFormatContext ( ) const

inline

Definition at line 112 of file FormatContext.hpp.

Referenced by avtranscoder::OutputFile::getFilename(), and avtranscoder::InputFile::readNextPacket().

AVInputFormat& avtranscoder::FormatContext::getAVInputFormat ( ) const

inline

Definition at line 114 of file FormatContext.hpp.

AVIOContext& avtranscoder::FormatContext::getAVIOContext ( ) const

inline

Definition at line 115 of file FormatContext.hpp.

AVDictionary& avtranscoder::FormatContext::getAVMetaData ( ) const

inline

Definition at line 116 of file FormatContext.hpp.

AVOutputFormat& avtranscoder::FormatContext::getAVOutputFormat ( ) const

inline

Definition at line 113 of file FormatContext.hpp.

Referenced by avtranscoder::OutputFile::getFormatLongName(), avtranscoder::OutputFile::getFormatMimeType(), and avtranscoder::OutputFile::getFormatName().

AVStream & avtranscoder::FormatContext::getAVStream ( size_t index ) const

Definition at line 168 of file FormatContext.cpp.

References _avFormatContext, and getNbStreams().

Referenced by avtranscoder::FileProperties::extractStreamProperties(), avtranscoder::InputStream::InputStream(), avtranscoder::InputFile::readNextPacket(), and avtranscoder::OutputFile::wrap().

size_t avtranscoder::FormatContext::getDuration ( ) const

inline

Get duration of the program, in seconds.

Definition at line 88 of file FormatContext.hpp.

size_t avtranscoder::FormatContext::getNbStreams ( ) const

inline

Definition at line 86 of file FormatContext.hpp.

Referenced by avtranscoder::OutputFile::addAudioStream(), avtranscoder::OutputFile::addDataStream(), avtranscoder::OutputFile::addVideoStream(), avtranscoder::FileProperties::extractStreamProperties(), getAVStream(), and avtranscoder::InputFile::InputFile().

Option& avtranscoder::FormatContext::getOption ( const std::string & optionName )

inline

Definition at line 95 of file FormatContext.hpp.

Referenced by avtranscoder::OutputFile::setupRemainingWrappingOptions(), avtranscoder::InputFile::setupUnwrapping(), and avtranscoder::OutputFile::setupWrappingOptions().

std::vector< Option > avtranscoder::FormatContext::getOptions ( )

Get options as array.

Definition at line 158 of file FormatContext.cpp.

References _options.

OptionMap& avtranscoder::FormatContext::getOptionsMap ( )

inline

Get options as map.

Definition at line 93 of file FormatContext.hpp.

size_t avtranscoder::FormatContext::getStartTime ( ) const

inline

Definition at line 89 of file FormatContext.hpp.

void avtranscoder::FormatContext::openRessource	(	const std::string &	url,
		int	flags
	)

Create and initialize a AVIOContext for accessing the resource indicated by url.

Parameters

url	url of ressource
flags	AVIO_FLAG_READ / AVIO_FLAG_WRITE / AVIO_FLAG_READ_WRITE

Definition at line 63 of file FormatContext.cpp.

References _avFormatContext, and avtranscoder::getDescriptionFromErrorCode().

Referenced by avtranscoder::OutputFile::beginWrap().

FormatContext& avtranscoder::FormatContext::operator= ( const FormatContext & formatContext )

private

bool avtranscoder::FormatContext::seek	(	const uint64_t	position,
		const int	flag
	)

Seek at a specific position.

Parameters

position	can be in AV_TIME_BASE units, in frames... depending on the flag value
flag	seeking mode (AVSEEK_FLAG_xxx)

Returns: seek status seeking on a raw bitstreams (without any container) could produce an error (because of a lack of timing information)

See also: flushDecoder

Definition at line 145 of file FormatContext.cpp.

References _avFormatContext, avtranscoder::getDescriptionFromErrorCode(), LOG_ERROR, and LOG_INFO.

Referenced by avtranscoder::InputFile::seekAtFrame(), and avtranscoder::InputFile::seekAtTime().

void avtranscoder::FormatContext::setFilename ( const std::string & filename )

Set filename of AVFormatContext.

Definition at line 180 of file FormatContext.cpp.

References _avFormatContext.

Referenced by avtranscoder::OutputFile::OutputFile().

void avtranscoder::FormatContext::setOutputFormat	(	const std::string &	filename,
		const std::string &	shortName = `""`,
		const std::string &	mimeType = `""`
	)

Guess format from arguments. Set the AVOutputFormat of AVFormatContext.

Parameters

filename	checks if it terminates with the extensions of the registered formats
shortName	checks if it matches with the names of the registered formats
mimeType	checks if it matches with the MIME type of the registered formats

Definition at line 185 of file FormatContext.cpp.

References _avFormatContext.

Referenced by avtranscoder::OutputFile::OutputFile(), and avtranscoder::OutputFile::setupWrapping().